王志强
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单/双涵道模式转换动态过程的数值研究
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Affiliation of Author(s):能源与动力学院

Journal:推进技术

Key Words:变循环发动机;模式转换;数值计算;动网格技术;

Abstract:为研究变循环发动机单/双涵道模式转换动态过程中流场参数的变化规律,基于本项目组设计的模拟模式转换过程的试验台,利用动网格技术对该试验台进行了二维数值模拟。结果表明:在模式转换动态过程中,内外涵流量和总压的变化滞后于阀门缓慢关闭的状态;并且阀门变化速率越快,其内涵总压和流量的动态响应越滞后;而静压的变化规律则相反。此外,还研究了在阀门关闭过程中,不同初始涵道比对这种流场参数变化滞后性的影响。发现初始涵道比越小,滞后性越强;并且这种滞后性在阀门关闭至22°位置时达到最大。

Translation or Not:no

Date of Publication:2017-06-21

Co-author:刘佳鑫,严伟,hj

Correspondence Author:王志强

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Associate Professor

Gender:Male

Education Level:南京航空航天大学

Degree:Doctoral Degree in Engineering

School/Department:College of Energy and Power Engineering

Discipline:Aerospace Propulsion Theory and Engineering. Fluid Machinery and Engineering

Contact Information:13813868846

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